Absolute Filters
Elements of the final filtration stage in ventilation systems
The classification of clean rooms and other controlled work environments is specified in demanding technical standards. Therefore the filters used there must meet the highest standards of performance and effectiveness.
Filtration class
H10, H11, H12, H13, H14, U15 acc. standards:
EN 1822:2009
Standard dimensions
Frame dimensions (width x height):
305 x 305 mm
305 x 610 mm
457 x 457 mm
610 x 610 mm
Frame thickness:
68, 78, 150, 292 mm
Material
Waterproof paper is made from high efficiency fibreglass, formed of micro-fibreglass wrap and a mixture of synthetic fibres.
Construction
Filter made from pleated materials is called minipleat. Depending on the type, it can be separated by an aluminium foil separator or cotton threads separator, or glue. Filter medium is placed in an MDF frame (wooden board), made from aluminium or galvanised sheet. Normally, from the front of the frame an elastic polyurethane seal is placed.
Technical data absolute filters
FILTER CLASS | H13 H13 | H13 H13 | H13 H13 | |
Frame thickness | mm | H13 78 | H13 150 | H13 292 |
Minipleat thickness | mm | H13 58 | H13 120 | H13 120 |
Type 610 x 610 mm | m³/h | H13 670 | H13 1920 | H13 1920 |
Type 305 x 610 mm | m³/h | H13 335 | H13 950 | H13 950 |
Type 305 x 305 mm | m³/h | H13 155 | H13 440 | H13 440 |
Initial pressure drop | Pa | H13 150 | H13 250 | H13 250 |
Recommended final pressure drop | Pa | H13 450 | H13 550 | H13 550 |
Max. permissible operating temperature | °C | H13 80 | H13 80 | H13 80 |
Application
Used as final stage filters in air-conditioning and ventilation systems. Used in many sectors such as: medicine, chemical industry, pharmacological industry and many others where high air quality is required.
